KR102383591B1 - Radius hinge - Google Patents

Abstract

The present invention relates to a device, such as a computing device, having a white paper portion. One example may include a display unit including a display screen and an input unit including an input device. This example may also include a radial hinge assembly that rotatably secures the first and second portions. The radial hinge assembly may be configured to provide a curvilinear articulation between the first portion and the second portion that allows for 360 degrees of relative rotation.

Description

Radius Hinge {RADIUS HINGE}

The accompanying drawings illustrate implementations of the ideas conveyed in this document. The features of the illustrated implementation may be understood more readily by reference to the following description in conjunction with the accompanying drawings. The same reference numbers in the various drawings are used where it is feasible to denote the same elements.
Also, the leftmost number of each reference number conveys the figure in which the reference number is first introduced and the discussion associated therewith.
1 is an exemplary device including an example of a radial hinge in accordance with some implementations of the present teachings.
2-4 are elevational views of examples of radial hinges in accordance with some implementations of the present teachings.
5-7 are perspective views of examples of radial hinges in accordance with some implementations of the present teachings.
8 is an assembled exploded perspective view similar to the perspective view of FIG. 7 .
9 is an elevation view of a portion of an example of a radial hinge shown in FIGS. 1 to 8 ;
10 and 11 are perspective views of examples of radial hinges in accordance with some implementations of the present concepts.
12 and 13 are perspective views of examples of radial hinges in accordance with some implementations of the present concepts.
14 is an exploded perspective view of an assembly similar to the perspective view of FIG. 12 ;
FIG. 15 is a perspective view of a part of an example of the radial hinge shown in FIG. 14 . 16 is an elevation view of a portion of an example of a radial hinge shown in FIGS. 10-15 ;

An idea of the present invention relates to a seamless radial hinge assembly capable of providing up to a full 360 degree rotation. A seamless radial hinge assembly may be used to rotatably connect two portions of an electronic device or computing device while protecting an electronic component spanning between the two portions. Conventional hinges tend to center around a single axis and can cause pinching or other damage to electronic components. In contrast, the seamless radial hinge assembly may provide (eg, maintain) a minimum bend radius that may protect the electronic device.

introduction

1 shows first and second portions 102 and 104 rotatably secured together by a radial hinge assembly 106 (in this case, two radial hinge assemblies 106(1) and 106(2)). An example of the computing device 100 having In this case, the first portion 102 is represented as a display portion 108 comprising a display screen 110 within a housing 112 . The second portion 104 is represented as an input 114 comprising an input device 116 and a housing 118 . In this case, input device 116 is represented as a keyboard and/or track pad or touch pad. Other implementations may use other input devices. For example, the input device 116 may be presented as a touch-sensitive display screen. An electronic component 120 in the form of a conductor may pass from a first portion 102 proximate to the radial hinge assembly 160 to a second portion 104 .

The radial hinge assembly 106 can provide 360 degrees of rotation between the first portion 102 and the second portion 104 while protecting the electronic component 120 from damage associated with normal hinges. For example, Example 1 shows a rotation of about 5 degrees between a first portion and a second portion when the user 122 inserts his/her thumb between the first and second portions. Example 2 shows a rotation of about 100 degrees, and Example 3 shows a rotation of about 360 degrees.

Further, the radial hinge assembly 106 can be considered as a progressive hinge that can provide progressive resistance as the angle between the first portion 102 and the second portion 104 increases. For example, in some implementations, in Example 1, the radial hinge assembly 106 allows the user 122 to tilt the first portion 102 upwards and use a second hand to lift the second portion 104 . It can provide a relatively low resistance to movement so as not to hold it downward and away from the second portion 104 . Example 2 shows the first portion 102 rotated approximately 100 degrees from the second portion 104 . At this angle, the radial hinge assembly 106 may provide a relatively high resistance to movement, thus maintaining the first portion stable for use. 3 shows the second part rotated through the entire part by 360 degrees with respect to the first part (the computing device 100 is also turned over so that the display screen 110 is facing the front). In this configuration, the display screen can be used in a tablet-like manner.

The radial hinge assembly 106 can provide 360 degree rotation between the first and second portions while protecting the electronic component 120 from damage associated with normal hinges.

2-9 collectively illustrate one embodiment of the radial hinge assembly 106 introduced above. These variants are distinguished using the suffix “A” (eg, 106(A)). 2-3 and 7-8 show the radial hinge assembly 106(A) in an 'open' position (eg, 180 degrees). 4-6 show the radial hinge assembly 106(A) in a 'closed' position (eg, 0 degrees). 10-16 show another radial hinge implementation designated 160(B).

The radial hinge assembly 106(A) may include at least first and second adjacent offset stacks 202 . The illustrated configuration includes five stacks 202(1)-202(5), although few stacks may be used. The number of stacks may be increased to add additional resistance to the radial hinge assembly as may be desired for a particular application. As can be most readily recognized in the exploded perspective view of FIG. 8 , the individual stacks include a display element (eg, display element) 804 , a timed link element 806 , and an input element (eg, an input element). 808 . In order to improve the readability of the drawing page, only the elements of the first two stacks 202(1) and 202(2) are designated. However, the stack usually repeats itself in an alternative way. Accordingly, stack 202(3) and 202(5) are analogous to stack 202(1), and stack 202(4) is analogous to stack 202(2). Also, not all elements are assigned to all in FIGS. 2 to 9 . In this implementation, each stack includes a single timing link element 806 . 10-16 show another implementation where each stack includes a plurality of serially arranged timing link elements.

In the illustrated configuration of FIGS. 2-9 , the display element 804 may be secured to the display housing 112 (in FIG. 1 , Example 2). Similarly, input element 808 may be secured to input housing 118 ( FIG. 1 , Example 2 ). For stacks 202 ( 1 ), 202 ( 3 ), and 202 ( 5 ), the terminal end 810 of the display element 804 ( 1 ) is configured to engage the timing link element 806 ( 1 ). not geared In contrast, for stacks 202 ( 2 ) and 202 ( 4 ), the terminal end 810 is geared into engagement with a timing link element 806 . For the stacks 202 ( 1 ), 202 ( 3 ), and 202 ( 5 ), the terminal end 808 of the input element 808 is geared into engagement with the timing link element 806 . In contrast, for stacks 202 ( 2 ) and 202 ( 4 ), terminal end 812 is not geared into engagement with timing link element 806 .

Timing link element 806 passes through generally opposed first and second ends 814 , 816 and first holes 818 and second ends 816 formed therethrough. It may have a second hole 820 formed by doing so. These elements are labeled without specificity within callout 822 for FIG. 8 to avoid indicator lines obscuring the main figure. Note that in the illustrated configuration, the individual timing link elements are geared at both ends. This configuration may allow the radial hinge assembly 106(A) to be constructed from a small number of different types of elements. Note, however, that the first end of the timing link element 806( 1 ) does not engage the terminal end 810 of the display element 804( 1 ), and thus the teeth are not used and thus can be removed. . Similarly, the second end 816 of the timing link element 806(2) may also eliminate teeth because they do not engage the input terminal 812(2) of the input element 808(2). there is.

The radial hinge assembly 106(A) has a generally elongated axis pin 824(1) passing through the second hole 820 of the timing link element 806(1) of the first stack 202(1). ] may be included. The axis pin 824(1) is also a timing link element of the second stack 202(2) to secure the second stack 202(2) in an offset manner relative to the first stack 202(1). The first hole 818 of [806(2)] may be penetrated. In this case, the offset scheme may be defined by the pitch diameter of the timing link element. 9 shows the timing link element 806(1) and the timing link element 806(2) in Example 1; Timing link element 806(2) is shown in dashed line since some of timing link element 806(2) is behind timing link element 806(1). Example 2 illustrates the pitch diameter 902 as defined by the second end 816 of the first timing link element 806(1) and the first end 814 of the second timing link element 806(2). ) shows an additional aspect.

8, the radial hinge assembly 106(A) comprises a second axis pin 824(2) and a third axis pin 824(3) generally parallel to the first axis pin 824(1). )] may be included. The second axis pin 824(2) has a hole 826 in the display element 804(2) of the second stack 202(2) and the timing link element 806 of the first stack 202(1). (1)] through a hole 818 in the first end. The third axis pin 824(3) is connected to a hole 820 in the second end 816 of the timing link element 806(2) of the second stack 202(2) and the first stack 202 hole 828 in the input element 808(1) of (1)].

In the configuration of the present invention, the second axis pin 824(2) and the third axis pin 824(3) are on opposite sides of the (first) axis pin 824(1). This configuration comprises a fourth axis pin 824(4) adjacent to the second axis pin 824(2) and distal to the axis pin 824(1), and a second axis pin 824(3). )] and distal to the axis pin 824(1). The fourth axis pin 824 ( 4 ) has a second hole 830 in the display element 804 ( 2 ) of the second stack 202 ( 2 ) and the display element of the first stack 202 ( 1 ). hole 831 in [804(1)]. The fifth axis pin 824 ( 5 ) has a hole 832 in the input element 808 ( 2 ) of the second stack 202 ( 2 ) and the input element [ 202 ( 1 )] of the first stack [ ]. 808(1)].

In this implementation, the axis pin 824 may be represented as a bolt screw. Bolts pass through link cover 836 (not all of these link covers specifically specified) through stacks 202(1)-202(5), a set of other link covers 838 and nuts A set of screws 840 may be passed through. In the configuration of the present invention, the second axis pin 824(2) and the fourth axis pin 824(4) share a common link cover on each side of the first and fifth stacks, and the axis pin [824(4)] 824(1)] and the third axis pin 824(3) share another common link cover on each side of the first and fifth stacks. The screw bolt, link cover, and nut 840 may provide a compressive force that squeezes the stack against each other to create frictional resistance between adjacent elements. In some implementations, an axis load may be applied between the elements using a spring washer between the nut 840 and the link cover 838 to create and maintain a desired friction interface between the stacks. Spring washers can help maintain the axis load even when the element is worn. At some point, if the spring washer is unable to hold the load, this implementation can be easily adjusted by tightening the bolt/nut to increase frictional resistance.

The illustrated configuration may be shown as using axis friction to control hinge stiffness. Other types of axis friction configurations are contemplated. An alternative configuration may use an oversized axis pin 824 (to the hole). The oversized axis pin may be a force tailored through the hole in the stack 202 to create a friction fit between the axis pin and the element defining the hole. This configuration may be illustrated as using radial friction resistance to control hinge stiffness, and other configurations are contemplated.

In this implementation for the first stack 202( 1 ), the first end 814 of the timing link element 806( 1 ) does not engage the display element 804( 1 ). The second end 816 may engage the input element 808( 1 ) in a no-slip one-to-one rotational engagement. With respect to the second stack 202(2), the first end 814 of the timing link element 806(2) is in a no-slip one-to-one rotational engagement with the display element 804(2). and the second end 816 does not engage the input element 808(2). In this case, the no-slip one-to-one rotational engagement interlocks gears that cause the radial hinge assembly to rotate simultaneously about the axis pins 824(1), 824(2), and 824(3)). This is achieved by intermeshing. Other implementations may use other gear profiles and/or types of gears and/or may use non-geared solutions, such as smooth but high friction-resistance radial surfaces. As characterized from one aspect, the radial hinge embodiment illustrated in FIGS. 2-9 is centered on three axes (eg, axis pins 824(1), 824(2), and 824(3)]). can be rotated simultaneously. A discussion follows which describes a radial hinge embodiment capable of simultaneous rotation about five axes. Given an element of equivalent size, increasing the number of axes can increase the hinge radius. Another method of increasing the hinge radius may involve increasing the pitch diameter while maintaining the same number of axes.

10-16 show another radial hinge assembly 106(B) similar to the radial hinge assembly 106(A) described above with respect to FIGS. 2-9. As such, not all elements are reintroduced here for the sake of brevity. The suffix “(B)” is used to distinguish the element of the radial hinge assembly 106(B) from the embodiment described above. In this case, FIG. 14 is an assembled exploded perspective view similar to FIG. 8 and suitable for visualization of the element. This implementation includes nine stacks 202(1)(B)-202(9)(B). Other numbers of stacks are contemplated. Further, the stack is secured by axis pins 824(B)(1)-824(B)(9)], link covers 836(B) and 838(B)], and nuts 840(B). . This embodiment uses more axis pins, link covers, and nuts than the embodiments described above with respect to FIGS. 2-9. However, the function remains similar. As such, these elements are not discussed in detail with respect to FIGS. 10-16 . Due to the limitations of the drawing page and the quantity of elements in this implementation, the example stacks 202(1)(B) and 202(2)(B) are drawn in order to label elements that are more room-specific. It is shown separately with respect to FIG. 15 for use on the page.

As can be appreciated from FIG. 15 , the timing link element 806 of the respective stack 202 includes first and second timing link elements 806 . For example, stack 202(1)(B) includes first timing link elements 806(1)(B)(1) and 806(1)(B)(2), and stack 202(2) )(B)] includes first timing link elements 806(2)(B)(1) and 806(2)(B)(2). With respect to the first stack 202(1)(B), the first end 814 of the first timing link element 806(1)(B)(1) is connected to the display element 804(1)( B)] of the terminal end 810(1)(B)]. The second end 816 may engage the first end 814 of the second timing link element 806(1)(B)(2). The second end 816 of the second timing link element 806(1)(B)(2) mates with the terminal end 812(1)(B) of the input element 808(1)(B)]. can bite With respect to the second stack 202(B)(2), the first end 814 of the first timing link element 806(2)(B)(1) is in no-slip one-to-one rotational engagement. may engage the display element 804(2)(B). The second end 816 of the first timing link element 806(2)(B)(1) is in a no-slip one-to-one rotational engagement with the second timing link element 806(2)(B). (2)], and the second end 816 of the second timing link element 806(2)(B)(2) is connected to the input element 808(2) ( B)] with the terminal end 812(2)(B). Each of these engagements may provide a no-slip one-to-one rotational engagement such that the radial hinge assembly functions as a single unit rotating simultaneously about a plurality of axes. For example, in the example illustrated in FIG. 14 , the rotation of the plurality of axes is defined by an axis pin 824(B)(1)-824(B)(5), whereas in the embodiment of FIG. 8 , The rotation of the plurality of axes is defined by an axis pin 824(1)-824(3).

16 shows the input element 808(1)(B), timing link element 806(1)(B)(1) and 806(1)(B)(2) of the radial hinge assembly 106(B). ], and the display element 804(1)(B)]. FIG. 16 shows how the radial hinge assembly 106(B) is fitted with a plurality of axes (shown but not designated to avoid clutter in the drawing pages, but in a hole designated for FIG. 8 and configured to receive an axis pin; FIG. It indicates whether it can rotate simultaneously around the 16 shows the radial hinge assembly 106(B) at 0 degrees, 90 degrees, 135 degrees, 180 degrees and 360 degrees. Also, the radial hinge assembly can achieve this rotation while maintaining a minimum bending radius r. In this case, the bend radius is a minimum at 0 degrees and 360 with higher values for the intervening values. While the radial hinge assembly may rotate a full 360 degrees (or even a slightly larger angle (eg, about 365 degrees)), mechanical stops may be included that limit rotation to certain values, such as 135 degrees or 180 degrees, for example. point should be noted. Given an element of equivalent size, the minimum bend radius can be increased by adding more timing link elements 806 . For example, compare FIG. 4 using a single timing link element per stack with FIG. 11 using two link elements per stack.

In summary, the radial hinge assembly embodiment of the present invention can provide a seamless hinge that allows 360 degree articulation. This design allows the device screen to articulate 360 degrees relative to the base, without the need for friction to maintain the desired position and index at discrete positions through the use of timing gears. Radius hinge assembly implementations may be embedded within the elastomer or fabric to hide the mechanism. The 360 degree articulation may allow the device to be configured in laptop, stand, tent, and/or tablet mode.

The radial hinge assembly can be considered as a friction hinge with timing gearing to control the curvature of the hinge through the entire range of the joint. Gearing may engage individual timing link elements together to spread friction requirements across the friction elements. The elements can serve three tasks as gear, linkage, and friction element.

The individual elements of the radial hinge assembly may be fabricated from a variety of materials, such as sheet metal, die cast metal, and/or molded plastic, among others, or any combination of these materials. Stacks can be added to create greater friction for greater loads.

In sum, the above discussion relates to a device, such as a computing device, having a hinge portion. One example may include a display unit including a display screen and an input unit including an input device. This example may also include a radial hinge assembly that rotatably secures the first and second portions. The radial hinge assembly may be configured to provide a curved joint that may allow 360 degrees of relative rotation between the first and second portions.

Other examples may include a first portion and a second portion. Each of the first portion and the second portion may include an electronic component connected to each other by a conductor. This example may also include a radial hinge assembly that rotatably secures the first and second portions. The radial hinge assembly may include at least first and second offset adjacent stacks. The at least first and second offset adjacent stacks may globally control rotation of the first and second portions relative to each other while maintaining a minimum bending radius for the conductor between the first and second portions.

Another example may include a display unit including a display screen and an input unit including an input device. This example may also include a hinge assembly for rotatably fixing the display unit and the input unit. The white paper assembly may include at least first and second adjacent offset stacks. A separate stack may include a display element, a timing link element, and an input element. The timing link element may have generally opposed first and second ends and a first hole formed through the first end and a second hole formed through the second end. The axis pin may pass through a second hole of the timing link element of the first stack and a first hole of the timing link element of the second stack capable of fixing the second stack in an offset manner relative to the first stack. The offset manner may be defined by a pitch diameter of the second end of the timing link elements of the first stack and the first end of the timing link elements of the second stack.

further examples

An exemplary computing device may include a display unit including a display screen, and an input unit including an input device and a hinge assembly for rotatably fixing the display unit and the input unit. The hinge assembly may include at least first and second adjacent offset stacks, each stack including a display element, a timing link element, and an input element. The timing link element has generally opposed first and second ends and a first hole formed therethrough and a second hole formed therethrough. The hinge assembly also includes a second hole in the timing link element of the first stack and an axis pin through the first hole in the timing link element of the second stack securing the second stack in an offset manner relative to the first stack. can do. The offset manner is defined by the pitch diameter of the second end of the timing link elements of the first stack and the first end of the timing link elements of the second stack.

In the computing device of the examples above and/or below, the input includes a housing and the input is secured to the housing.

In the computing device of the above and/or below examples, the display portion includes a housing, and the display portion element is fixed to the housing.

In the computing device of the above and/or below examples, the hinge assembly is configured to allow 360 degree rotation of the display portion and the input portion relative to each other.

In the computing device of the examples above and/or below, the hinge assembly is configured to resist rotation when the display portion and the input portion define a relatively small angle therebetween, and continue to provide greater resistance as the angle becomes larger. It is a progressive hinge that provides less resistance.

In the computing device of the examples above and/or below, each stack includes a single timing link element, and each stack includes a plurality of serially arranged timing link elements.

In the computing device of the examples above and/or below, each stack includes a single timing link element, each end of the single timing link element being geared or only one of the first or second ends being geared.

In the computing device of the examples above and/or below, with respect to the first stack, a first end of the timing link element does not engage the display element and the second end engages the input element in no-slip one-to-one rotational engagement; In engagement with the second stack, a first end of the timing link element engages the display element in a no-slip one-to-to-rotational engagement, and a second end does not engage the input element.

In the computing device of the examples above and/or below, the axis pin includes a first axis pin, and a first axis passing through a hole in the display element of the second stack and a hole in the first end of the timing link element of the first stack. a second axis pin and a third axis pin passing through the hole in the second end of the timing link element of the second stack and the hole in the input element of the first stack.

In the computing device of the examples above and/or below, the first axis pin, the second axis pin, and the third axis pin become too large compared to the holes in the first and second stacks to create a friction fit.

In the computing device of the examples above and/or below, the first axis pin, the second axis pin, and the third axis pin compress the first and second stacks together.

In the computing device of examples above and/or below, the first axis pin, the second axis pin, and the third axis pin are bolts receiving a nut screw that can be tightened to compress the first and second stacks against each other. Includes screws.

In the computing device of the examples above and/or below, the second axis pin and the third axis pin are on opposite sides of the first axis pin, the second axis pin being adjacent to the second axis pin and distal to the first axis pin. a fourth axis pin and a fifth axis pin adjacent the third axis pin and distal to the first axis pin. The fourth axis pin passes through a second hole in the display element element of the second stack and the hole in the display element element of the first stack, and the fifth axis pin passes through the hole in the input element element of the second stack and the first hole. through the second hole of the input element of the stack. The second and fourth axis pins share a common link cover on each side of the first and second stacks, and the first and third axis pins share a different cavity on each side of the first and second stacks. Share the link cover.

In the computing device of the examples above and/or below, the timing link elements of the respective stacks include, with respect to the first stack, first and second timing link elements. a first end of the first timing link element does not engage the display element and a second end engages with a first end of the second timing link element in no-slip one-to-one rotational engagement, the second timing link ellip a second end of the element engages the input element in a no-slip one-to-one rotational engagement and, relative to the second stack, a first end of the first timing link element displays in a no-slip one-to-one rotational engagement. engages a minor element, a second end of the first timing link element engages a first end of a second timing link in a no-slip one-to-one rotational engagement, wherein the second end of the second timing link element has an input It doesn't mesh with the element.

An exemplary computing device includes a display unit including a display screen, an input unit including an input device, and a radial hinge assembly for rotatably fixing the display unit and the input unit, the 360 degree angle between the display unit and the input unit is provided. It is configured to provide a curved joint that allows for relative rotation.

In the computing device of the examples above and/or below, the radial hinge assembly rotates about a set of elongated parallel axis pins, the curved articulation being seen transverse to the long axis of the axis pins.

In the computing device of the examples above and/or below, the radial hinge assembly includes timing gearing to control the curvature of the curved joint for 360 degrees of relative rotation.

In the computing device of the examples above and/or below, the input device includes a touch pad, a keyboard, and/or a touch-sensitive display screen.

An exemplary computing device includes a first portion that includes an electronic component and is electrically connected by a conductor to a second portion that includes a second electronic component, and rotatably secures the first portion and the second portion. Includes a radial hinge assembly. The radial hinge assembly includes at least first and second offset adjacent stacks that globally control rotation of the first and second portions relative to each other while maintaining a minimum bending radius for a conductor between the first and second portions. .

In the computing device of the examples above and/or below, the hinge assembly allows for rotation from 0 degrees to 360 degrees, wherein the minimum bend radius occurs between 0 degrees and 360 degrees, wherein the bend radius increases at an intermediate value from the minimum bend radius. do.

Exemplary method

The various methods of manufacture, assembly, and use for the radial hinge assembly are contemplated to far exceed that shown above with respect to FIGS. 1-16 above.

conclusion

Although the techniques, methods, devices, systems, etc. pertaining to the radial hinge assembly have been described in language specific to structural features and/or methodological acts, the subject matter defined in the appended claims is necessarily limited to the specific features or acts described. It should be understood that it is not Rather, the specific features and acts are disclosed as example forms of implementing the claimed methods, devices, systems, and the like.

Claims (20)

A computing device comprising:
an input unit including a display unit including a display screen and an input device;
a hinge assembly for rotatably fixing the display unit and the input unit
is provided,
The hinge assembly,
At least first and second adjacent offset stacks, the first stack comprising a first display element, a first timed link element, and a first input element, the second stack comprising a second display element, a second two timing link elements, and a second input element, the first and second timing link elements passing through opposing first and second ends and a first hole formed therethrough and a second end therethrough having a second hole formed by -;
a first axis pin passing through a second hole of a first timing link element of the first stack and a first hole of a second timing link element of the second stack and a first timing link of the first stack a second axis pin through the first hole in the element and the second display element in the second stack and through a second hole in the first input element in the first stack and a second timing link element in the second stack including a third axis pin to
and the first axis pin, the second axis pin, and the third axis pin secure the second stack with respect to the first stack in an offset manner. The computing device of claim 1 , wherein the input includes a housing and the first input element is secured to the housing. The computing device of claim 1 , wherein the display unit includes a housing, and the first display unit element is fixed to the housing. The computing device of claim 1 , wherein the hinge assembly is configured to allow 360 degrees of rotation of the display portion and the input portion with respect to each other. The computing device of claim 1 , wherein each stack includes a single timing link element, each end of the single timing link element being geared. The computing device of claim 1 , wherein each stack includes a single timing link element, and wherein only one of the first or second ends is geared. The one-to-no-slip one-to-no-slip of claim 1 , wherein, relative to the first stack, a first end of the first timing link element does not engage a first display element and the second end of the first timing link element does not engage with the first display element. - engaging the first input element in one rotational engagement, wherein, relative to the second stack, the first end of the second timing link element engages the second display element in a no-slip one-to-one rotational engagement, wherein: and the second end of a second timing link element does not engage a second input element. 2. The method of claim 1, wherein the offset manner is defined by a pitch diameter of a second end of the first timing link element in the first stack and a first end of the second timing link element in the second stack. a computing device. The computing device of claim 1 , wherein the first axis pin, the second axis pin, and the third axis pin are oversized compared to holes in the first and second stacks to create a friction fit. The computing device of claim 1 , wherein the first axis pin, the second axis pin, and the third axis pin compress the first and second stacks relative to each other. 11. The method of claim 10, wherein the first axis pin, the second axis pin, and the third axis pin include a bolt screw receiving a nut screw that can be tightened to compress the first stack and the second stack relative to each other. A computing device that does. The fourth axis pin of claim 1 , wherein the second axis pin and the third axis pin are on opposite sides of the first axis pin and are adjacent to the second axis pin and distal to the first axis pin. and a fifth axis pin adjacent to the third axis pin and distal to the first axis pin, wherein the fourth axis pin comprises a second hole in the second display unit element of the second stack and the through a hole of the first display element of a first stack, and the fifth axis pin penetrates a hole of a second input element of the second stack and a second hole of the first input element of the first stack and wherein the second and fourth axis pins share a common link cover on each side of the first and second stacks, and the first and third axis pins share a common link cover on each side of the first and second stacks. The computing device in which the side shares another common link cover. A computing device comprising:
an input unit including a display unit including a display screen and an input device;
A radial hinge assembly configured to rotatably secure the display unit and the input unit, and to facilitate a curved joint allowing a relative rotation of 360 degrees between the display unit and the input unit.
including,
The radial hinge assembly,
at least first and second adjacent offset stacks, wherein the first stack includes a first display element directly engaging the display portion and a first input element directly engaging the input portion, the first display element comprising the second display portion located immediately adjacent to the first timing link element of the first stack, the second stack including a second display element directly engaging the display unit and a second input unit element directly engaging the input unit, the second display unit comprising: An element is positioned next to a second timing link element of the second stack, wherein the first stack comprises: a respective axis of a curved joint allowing 360 degrees of relative rotation through the first timing link element; offset from the second stack so as not to penetrate the link element. 14. The radial hinge assembly of claim 13, wherein the radial hinge assembly rotates about a set of elongate parallel axis pins, the curved joint forming a curve of the radial hinge assembly, the curve forming the long axis of the axis pin A computing device that is viewed in a plane transverse to. 14. The computing device of claim 13, wherein the radial hinge assembly includes timed gearing to control the curvature of the curved joint for 360 degrees of relative rotation. The computing device of claim 13 , wherein the input device comprises at least one of a touch pad, a keyboard, and a touch-sensitive display screen. 14. The method of claim 13,
wherein each of the first adjacent offset stack and the second adjacent offset stack includes a single timing link element, or each of the first adjacent offset stack and the second adjacent offset stack includes a plurality of serially arranged timing link elements. a computing device. 14. The method of claim 13,
each of the first and second adjacent offset stacks includes a plurality of timing link elements, wherein a first end of the first timing link element of the first stack does not engage a first display element of the first stack , wherein a second end of the first timing link element engages a first end of another timing link element of the first stack in a no-slip one-to-one rotational engagement, and wherein another timing link of the first stack A second end of the element engages a first input element of the first stack in a no-sop one-to-one rotational engagement, wherein a first end of a second timing link element of the second stack is a no-sop one-to-one rotational engagement. -engage with a second display element of the second stack in a slip one-to-one rotational engagement, wherein a second end of a second timing link element is in a no-slip one-to-one rotational engagement of the second stack of the second stack. and engaging a first end of another timing link element, wherein a second end of another timing link element of the second stack does not engage a second input element of the second stack. A computing device comprising:
a first portion comprising an electronic component and electrically connected by a conductor to a second portion comprising a second electronic component; and
a radial hinge assembly rotatably securing the first and second portions, the radial hinge assembly comprising the first portion relative to each other while maintaining a minimum bending radius for a conductor between the first portion and the second portion; at least first, second and third offset stacks for collectively controlling rotation of the second portion, wherein the first, second and third offset stacks include respective first, second and third offset stacks directly engaged with the first portion. having an equal number of parts comprising a first partial element, each second partial element directly engaging the second portion, and a timing link element, the second stack comprising: an axis of rotation of the first and second portions; offset from the first stack and the third stack to pass through respective first partial elements of the first stack, respective timing link elements of the second stack, and respective first partial elements of the third stack;
A computing device comprising a. 20. The method of claim 19, wherein the radial hinge assembly permits rotation from 0 degrees to 360 degrees, wherein the minimum bend radius occurs between 0 degrees and 360 degrees, wherein the bend radius increases at an intermediate value from the minimum bend radius. a computing device.

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